Mbrt
abbr. methylene-blue reduction time 亚甲兰还原时间
🗣️ 情景例句
Considering the friendly relation between us,
鉴于我们之间的友好关系，
Forgive me for interrupting, but I have a question.
对不起我插个嘴，我有一个问题。
Do you still have the cock year stamp?
你还有鸡年的邮票吗？